Redfield Ruger Rings are precision machined to exactly tolerance to specifically fit the integral scope mounts found on Ruger Rifles. The are made from aircraft grade steel to provide exacting performance every time you use them. Made Specifically for Ruger Rifles.
Specifications:

Type
Tube Diameter	1"
Height
Size
Finish
Style
Material	Aircraft Grade Steel
Style Description
One or Two Piece
Adaptor Type
Mount Type	To Receiver
Lock Type